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Finding the Fourth Proportional to 616.58, 925.05 and 183.74

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Solution

The fourth proportional to 616.58, 925.05 and 183.74 is: 275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.58 : 925.05 = 183.74 : x
  2. Step 2: Convert to fraction form
    616.58/925.05 = 183.74/x
  3. Step 3: Cross multiply
    616.58x = 925.05 × 183.74
  4. Step 4: Simplify right side
    616.58x = 169,964.75
  5. Step 5: Solve for x
    x = 169,964.75/616.58
  6. Step 6: Final answer
    x = 275.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.